单词 | mineralogical phase rule |
释义 | mineralogical phase rule [´min·rǝ`läj·ǝ·kǝl `fāz ´rül] MINERALOGY Any of several variations of the Gibbs phase rule, taking into account the number of degrees of freedom consumed by the fixing of physical-chemical variables in the natural environment; it assumes that temperature and pressure are fixed externally and that consequently the number of phases (minerals) in a system (rock) will not usually exceed the number of components. |
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